Answer:
30
Step-by-step explanation:
Let the cat have a weight of x.
Then, the dog weighs 9x.
The hamster weighs x/20.
The mouse weighs 3x/10.
So, the dog is 9/(3/10) = 30 times as heavy.
It is in its simplest form
C
according to the standard equation;
Y=mX+C
or, Y=4/5X +3
C)
about 20
its kindergarden math
